* {
    padding: 0;
    margin: 0;
}

.w {
    width: 1200px;
    margin: auto;
}

.fl {
    float: left;
}


/* 在父元素中添加 伪类元素清除浮动 */

.clearfix:after {
    content: "";
    display: block;
    height: 0;
    visibility: hidden;
    clear: both;
}

.head {
    position: relative;
    width: 100%;
    /* margin-top: 10vh; */
    height: 100vh;
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_1.png);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}


/* .head img {
    width: 100%;
    object-fit: cover;
} */

.head p {
    /* position: relative;
    top: 3%;
    left: 39%;
    50%为自身尺寸的一半
    transform: translate(-50%, -50%); */
    text-shadow: 8px 2px rgb(0 0 0 / 9%);
    color: #fff;
    font-size: 3.8vw;
    font-weight: 700;
}

.head_tit {
    position: absolute;
    top: 36%;
    left: 55%;
    transform: translate(-50%, 0);
    width: 55%;
    height: 30%;
}

.head_icon {
    /* display: flex;
    justify-content: space-between; */
    /* position: absolute;
    top: 52%;
    left: 31%; */
    /* width: 570px;
    height: 203px; */
    margin: 0 auto;
    margin-top: 20px;
}

.head_icon li {
    float: left;
    list-style: none;
    width: 9vw;
    height: 8vw;
    margin-left: 3vw;
}

.head_icon li:nth-child(1) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_2.png);
    background-size: auto 100%;
    background-position: center center;
    background-repeat: no-repeat;
}

.head_icon li:nth-child(2) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_3.png);
    background-size: auto 100%;
    background-position: center center;
    background-repeat: no-repeat;
}

.head_icon li:nth-child(3) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_4.png);
    background-size: auto 100%;
    background-position: center center;
    background-repeat: no-repeat;
}

.head_icon img {
    width: 100%;
}

.head_icon li:nth-child(1) img {
    width: 75%;
}

h1 {
    margin-top: 30px;
    text-align: center;
    font-size: 4vw;
}

.tit {
    font-size: 2.7vw;
    color: #ffac3a;
    text-align: center;
    margin-top: 38px;
}

.p {
    display: block;
    width: 85vw;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 70px;
    font-size: 1.7vw;
    line-height: 170%;
}

.juzhong {
    margin: 0 auto;
    width: 90%;
}

.pro_img {
    width: 50%;
    height: 35vw;
    margin-top: 50px;
}

.pro_img:nth-child(1) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_5.png);
    background-size: 100%;
    background-position: top center;
    background-repeat: no-repeat;
}

.pro_img:nth-child(2) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_6.png);
    background-size: 100%;
    background-position: top center;
    background-repeat: no-repeat;
}

.juzhong #pro_img3 {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_7.png);
    background-size: 100%;
    background-position: top center;
    background-repeat: no-repeat;
}


/* .pro_img img {
    width: 100%;
} */

.mar_tl {
    /* width: 40%; */
    width: 40vw;
    margin-bottom: 80px;
}

.main_p_tit {
    margin: 5vw 0 2vw 4vw;
    font-size: 2.5vw;
}

.main_p {
    margin-left: 4vw;
    font-size: 1.5vw;
}

.point {
    margin: 4vw 0 0 4vw;
    /* display: flex;
    flex-wrap: wrap; */
    width: 37vw;
}

.point ul {
    display: flex;
}

.point li {
    width: 20vw;
    height: 2.3vw;
    border-radius: 2.3vw;
    background-color: #ffac3a;
    list-style: none;
    margin: 35px 50px 0 0;
    color: #fff;
    line-height: 2.3vw;
    font-size: 1.5vw;
}

.num {
    display: inline-block;
    width: 2vw;
    height: 2vw;
    margin: 2px 0 0 0.2vw;
    border-radius: 2vw;
    background-color: #fff;
    color: #ffac3a;
    text-align: center;
    line-height: 2vw;
    font-size: 1.5vw;
}

#ul1 ul li {
    width: 21vw;
    margin-right: 30px
}

.prize {
    display: flex;
    margin-bottom: 100px;
    width: 80vw;
    height: 30vw;
    margin: 0 auto;
}

.prize li {
    list-style: none;
    width: 50%;
    height: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.img_box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    height: 22vw;
}

.prize li:nth-child(1) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_8.png);
    background-size: 80%;
    background-position: top center;
    background-repeat: no-repeat;
}

.prize li:nth-child(2) {
    background-image: url(https://mainstb.oss-cn-shenzhen.aliyuncs.com/pengyubrother/pc-pic/protect/protect_9.png);
    background-size: 80%;
    background-position: top center;
    background-repeat: no-repeat;
}

.prize li img {
    width: 80%;
    height: 318px;
}

.prize li p {
    width: 58%;
    text-align: center;
    /* margin-top: 30px; */
    line-height: 120%;
    font-size: 1vw;
}